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Elongate hatchetfish (Triportheus elongatus) — Triportheidae

Elongate hatchetfish

Triportheus elongatus
Family: Triportheidae

The Elongate hatchetfish (Triportheus elongatus) is a freshwater fish of the family Triportheidae that grows up to 24 cm.

Length
24.2 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Large groups
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Edibility
Commonly eaten

Description

The elongate hatchetfish is a characin of the family Triportheidae from the Amazon basin in South America. The species has an elongate, laterally compressed, silvery body with a keeled chest and large pectoral fins, characteristic of the hatchet characins. It lives in schools in rivers and floodplains and often stays near the water surface. As an omnivore it feeds on insects that fall onto the water, fruits, seeds and small zooplankton. It is a local food fish and is harmless to humans.

Frequently asked questions

How do you recognise the Elongate hatchetfish?

The Elongate hatchetfish has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern.

Where does the Elongate hatchetfish live?

The Elongate hatchetfish lives in fresh water and is mostly found around mixed bottom.

How big does the Elongate hatchetfish get?

The Elongate hatchetfish grows to a maximum of about 24 cm.

Is the Elongate hatchetfish dangerous to humans?

No, the Elongate hatchetfish is harmless to humans.

Is the Elongate hatchetfish edible?

Yes, the Elongate hatchetfish is commonly eaten.

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All data

Identification

Dutch name
Langgerekte bijlbuikzalm sourced
English name
Elongate hatchetfish verified
Scientific name
Triportheus elongatus
Family
Triportheidae

Appearance

Size class
Medium verified
Max length (cm)
24.2 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Superior (upward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Large groups inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred

For anglers

Edibility
Commonly eaten sourced
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Triportheus

More from the family Triportheidae

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